Permissions are applied to the entire View class, but you can take into account aspects of the request (like the method such as GET or POST) in your authorization decision.
See the built-in IsAuthenticatedOrReadOnly
as an example:
SAFE_METHODS = ['GET', 'HEAD', 'OPTIONS']
class IsAuthenticatedOrReadOnly(BasePermission):
"""
The request is authenticated as a user, or is a read-only request.
"""
def has_permission(self, request, view):
if (request.method in SAFE_METHODS or
request.user and
request.user.is_authenticated()):
return True
return False